Log Message:
texlab: update to 3.3.0.

## [3.3.0] - 10.10.2021

### Added

- Enable incremental text synchronization to reduce serialization
overhead

### Changed

- Reduce size of executable by compressing the completion database

### Fixed

- Fix completion of commands near delimiters
- Prevent `texlab` from hanging because of unanswered configuration
  requests sent to Emacs
- Re-analyze the workspace if the initial configuration has been
  received late